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<?php
/**
* This file implements the renderer (EXPERIMENTAL)
*
* b2evolution - {@link http://b2evolution.net/}
* Released under GNU GPL License - {@link http://b2evolution.net/about/license.html}
* @copyright (c)2003-2005 by Francois PLANQUE - {@link http://fplanque.net/}
*
* @package evocore
*/
if( !defined('DB_USER') ) die( 'Please, do not access this page directly.' );
/**
* Includes:
*/
require_once dirname(__FILE__).'/_class_plug.php';
/**
* Renderer Class
*
* @package evocore
*/
class Renderer extends Plug
{
/**
* Constructor
*
* {@internal Renderer::Renderer(-)}}
*
*/
function Renderer()
{
// Call parent constructor:
parent::Plug( 'renderer' );
}
/**
* Validate renderer list
*
* {@internal Renderer::validate_list(-)}}
*
* @param array renderer codes
* @return array validated array
*/
function validate_list( $renderers = array('default') )
{
$this->init(); // Init if not done yet.
$this->restart(); // Just in case.
$validated_renderers = array();
while( $loop_RendererPlugin = $this->get_next() )
{ // Go through whole list of renders
// echo ' ',$loop_RendererPlugin->code;
switch( $loop_RendererPlugin->apply_when )
{
case 'stealth':
case 'always':
// echo 'FORCED';
$validated_renderers[] = $loop_RendererPlugin->code;
break;
case 'opt-out':
if( in_array( $loop_RendererPlugin->code, $renderers ) // Option is activated
|| in_array( 'default', $renderers ) ) // OR we're asking for default renderer set
{
// echo 'OPT';
$validated_renderers[] = $loop_RendererPlugin->code;
}
// else echo 'NO';
break;
case 'opt-in':
case 'lazy':
if( in_array( $loop_RendererPlugin->code, $renderers ) ) // Option is activated
{
// echo 'OPT';
$validated_renderers[] = $loop_RendererPlugin->code;
}
// else echo 'NO';
break;
case 'never':
// echo 'NEVER';
continue; // STOP, don't render, go to next renderer
}
}
// echo count( $validated_renderers );
return $validated_renderers;
}
/**
* Render the content
*
* {@internal Renderer::render(-)}}
*
* @param string content to render
* @param array renderer codes
* @param string Output format, see {@link format_to_output()}
* @return string rendered content
*/
function render( & $content, & $renderers, $format )
{
$this->init(); // Init if not done yet.
$this->restart(); // Just in case.
// echo implode(',',$renderers);
while( $loop_RendererPlugin = $this->get_next() )
{ // Go through whole list of renders
//echo ' ',$loop_RendererPlugin->code, ':';
switch( $loop_RendererPlugin->apply_when )
{
case 'stealth':
case 'always':
// echo 'FORCED ';
$loop_RendererPlugin->render( $content, $format );
break;
case 'opt-out':
case 'opt-in':
case 'lazy':
if( in_array( $loop_RendererPlugin->code, $renderers ) )
{ // Option is activated
// echo 'OPT ';
$loop_RendererPlugin->render( $content, $format );
}
// else echo 'NOOPT ';
break;
case 'never':
// echo 'NEVER ';
break; // STOP, don't render, go to next renderer
}
}
return $content;
}
}
?>
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